Drain BIT
Moulded part for vertical drainage through the roof package. Can be installed with a connection to a pipe system for water drainage, or as an extension unit for a roof gully. Ensure appropriate backflow safety.
Notice
Attention: The processing instructions of the roofing membrane manufacturers must be observed; Materials and material compounds used may be subject to changes
Material
Variants PVC, FPO/PP 1 and BIT for connection to the respective matching material variant of the roofing membrane. The materials are modified to be weather-resistant: UV-stabilised, resistant to heat degradation and oxidative ageing as well as cold impact resistant.
1 Also available in PE (roofing membranes based on PE)
Versions
| Material | Technical details 3 | |
|---|---|---|
| BIT Sanded | With bitumen connection sleeve, plate D 300 mm, pipe length 320 mm 1,2 |
D 50 mm (DN 50) |
| D 75 mm (DN 70) |
||
| With bitumen connection sleeve, plate D 380 mm, pipe length 320 mm 1,2 |
D 90 mm | |
| D 95 mm | ||
| D 110 mm (DN 100) |
||
| D 125 mm (DN 125) |
||
| D 160 mm (DN 150) |
||
1 Special lengths available on request
2 Further diameter sizes available on request
3 Also available with accumulation ring
Examples
Drainage capacity
LGA-certified performance data
| Diameter | Attenuation depth | |
|---|---|---|
| 35 mm | 65 mm | |
| D 50 mm (DN 50) |
3.70 l/s | n/a |
| D 75 mm (DN 70) |
4.60 l/s | 13.20 l/s |
| D 90 mm | 5.30 l/s | 14.60 l/s |
| D 110 mm (DN 100) |
5.55 l/s | 15.80 l/s |
| D 125 mm (DN 125) |
5.55 l/s | 16.00 l/s |
| D 160 mm (DN 150) |
5.60 l/s | 18.60 l/s |
Certifications
The drainage capacity has been tested by TÜV Rheinland LGA (test performed on drain Classic, incl. lip seal).
Technical drawings
Technical data
| D1 (D Pipe) |
50 / 75 mm | 90 / 95 / 110 / 125 / 160 mm |
| D2 (D Plate) |
300 mm | 380 mm |
| l | 320 mm 1,2 | 320 mm 1,2 |
| t | 3.5 mm | 3.5 mm |
1 Special lengths available on request
² Further diameter sizes available on request
Available sizes
- D 50 mm (DN 50)
- D 75 mm (DN 70)
- D 90 mm
- D 95 mm
- D 110 mm (DN 100)
- D 125 mm (DN 125)
- D 160 mm (DN 150)
Packaging units
Delivery in box, PU 1 piece
Downloads
Tailored to meet your requirements
Do you have any questions or require a customised version of this product? Talk to our team of experts! We’ll discuss the available options with you to see how we can help!
Notice
Attention: The processing instructions of the roofing membrane manufacturers must be observed; Materials and material compounds used may be subject to changes
Material
Variants PVC, FPO/PP 1 and BIT for connection to the respective matching material variant of the roofing membrane. The materials are modified to be weather-resistant: UV-stabilised, resistant to heat degradation and oxidative ageing as well as cold impact resistant.
1 Also available in PE (roofing membranes based on PE)
Versions
| Material | Technical details 3 | |
|---|---|---|
| BIT Sanded | With bitumen connection sleeve, plate D 300 mm, pipe length 320 mm 1,2 |
D 50 mm (DN 50) |
| D 75 mm (DN 70) |
||
| With bitumen connection sleeve, plate D 380 mm, pipe length 320 mm 1,2 |
D 90 mm | |
| D 95 mm | ||
| D 110 mm (DN 100) |
||
| D 125 mm (DN 125) |
||
| D 160 mm (DN 150) |
||
1 Special lengths available on request
2 Further diameter sizes available on request
3 Also available with accumulation ring
Examples
Drainage capacity
LGA-certified performance data
| Diameter | Attenuation depth | |
|---|---|---|
| 35 mm | 65 mm | |
| D 50 mm (DN 50) |
3.70 l/s | n/a |
| D 75 mm (DN 70) |
4.60 l/s | 13.20 l/s |
| D 90 mm | 5.30 l/s | 14.60 l/s |
| D 110 mm (DN 100) |
5.55 l/s | 15.80 l/s |
| D 125 mm (DN 125) |
5.55 l/s | 16.00 l/s |
| D 160 mm (DN 150) |
5.60 l/s | 18.60 l/s |
Certifications
The drainage capacity has been tested by TÜV Rheinland LGA (test performed on drain Classic, incl. lip seal).
Technical drawings
Technical data
| D1 (D Pipe) |
50 / 75 mm | 90 / 95 / 110 / 125 / 160 mm |
| D2 (D Plate) |
300 mm | 380 mm |
| l | 320 mm 1,2 | 320 mm 1,2 |
| t | 3.5 mm | 3.5 mm |
1 Special lengths available on request
² Further diameter sizes available on request
Available sizes
- D 50 mm (DN 50)
- D 75 mm (DN 70)
- D 90 mm
- D 95 mm
- D 110 mm (DN 100)
- D 125 mm (DN 125)
- D 160 mm (DN 150)
Packaging units
Delivery in box, PU 1 piece
Downloads
Tailored to meet your requirements
Do you have any questions or require a customised version of this product? Talk to our team of experts! We’ll discuss the available options with you to see how we can help!
Matching accessories
Gravel guard Vario Fix – continuously adjustable
Gravel guard classic – with centring cross
